发明名称 ASSIST FOR RAISE LOWER MECHANISM FOR A CONCRETE SAW
摘要 A pavement treatment apparatus, for example a concrete saw, includes a bias element for biasing one part of the apparatus toward another part of the apparatus. The bias element may be one or more springs extending between an engine platform and a handle assembly.
申请公布号 EP1971752(A4) 申请公布日期 2014.01.29
申请号 EP20070717863 申请日期 2007.01.12
申请人 HUSQVARNA PROFESSIONAL OUTDOOR PRODUCTS INC. 发明人 JOHNSON, ADAM;DEMPSEY, DOUGLAS
分类号 E21C25/00 主分类号 E21C25/00
代理机构 代理人
主权项
地址